John Harold Thomas Snow was born in Vancouver in 1911. His family moved to England briefly but returned to the Innisfail area of Alberta in 1919.
He began a career with the Royal Bank of Canada however he was sent overseas to tour during the Second World War.
After the war he returned to Calgary where he contnued to work for The Royal Bank of Canada.
From 1946-48, he took life drawing from Maxwell Bates at the Provincial Institute of Technology.
In 1953 Snow two old lithograph presses and a number of limestone blocks, he assembled the equipment in his basement and began what would be a succesful career in printmaking. Maxwell Bates continued to work alongside him.
He participated in summer sessions in 1953-4 with Glen Alps, a printmaker from the University of Washington in Seattle.
Snow’s work often depicted landscape, figures, florals and still lifes. He worked in watercolour, oil, mixed media, concrete sculpture, textiles, and intaglio relief as well as lithography.
His works have been exhibited across Canada. He is was a member of the Royal Canadian Academy.
He died in 2004.